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← Bihar Board Class 12 PYQ
Electromagnetic Waves
Bihar Board Class 12 · Physics · 19 past questions
Topic
Direction and field relations
1
EM spectrum: ordering and regions
0
Maxwell and displacement current
0
Nature and properties of EM waves
0
Speed of EM waves
0
Types of EM radiation and uses
0
Level
Easy
1
Moderate
1
Year
2026
1
2025
2
2024
0
2023
0
2022
0
2021
0
2019
0
2018
2
2017
1
1 of 19 ·
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Q19
2017
The unit of ratio of magnetic field B and electrical field E (B/E) is-
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